import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/users/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import Goods from '../components/goods/Goods.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(VueRouter)

const router = new VueRouter({
  routes: [
    { path: '/', redirect: '/login' },
    { path: '/login', component: Login },
    { path: '/home', 
      component: Home, 
      redirect:'/welcome',
      children:[
      {path:'/welcome', component:Welcome},
      {path:'/users', component:Users},
      {path:'/rights',component:Rights},
      {path:'/roles', component:Roles},
      {path:'/categories', component:Cate},
      {path:'/params', component:Params},
      {path:'/goods', component:Goods},
      {path:'/goods/add', component:Add},
      {path:'/orders', component:Order},
      {path:'/reports', component:Report},
    ]}
  ]
})

// 挂载路由守卫（to、from可以获得相关路由信息）
router.beforeEach((to, from, next) => {
  const token = window.sessionStorage.getItem('token')
  if(to.path === '/login') {
    next()
  } else if(!token){
    // 强制跳转到某路由
    next('/login')
  } else {
    next()
  }
  
})

export default router